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© 2009 Progress Software Corporation and/or its subsidiaries or affiliates. All rights reserved. These materials and all Progress® software products are copyrighted and all rights are reserved by Progress Software Corporation. The information in these materials is subject to change without notice, and Progress Software Corporation assumes no responsibility for any errors that may appear therein. The references in these materials to specific platforms supported are subject to change. Actional, Apama, Apama (and Design), Artix, Business Empowerment, DataDirect (and design), DataDirect Connect, DataDirect Connect64, DataDirect Technologies, DataDirect XML Converters, DataDirect XQuery, DataXtend, Dynamic Routing Architecture, EdgeXtend, Empowerment Center, Fathom, IntelliStream, IONA, IONA (and design), Making Software Work Together, Mindreef, ObjectStore, OpenEdge, Orbix, PeerDirect, POSSENET, Powered by Progress, PowerTier, Progress, Progress DataXtend, Progress Dynamics, Progress Business Empowerment, Progress Empowerment Center, Progress Empowerment Program, Progress OpenEdge, Progress Profiles, Progress Results, Progress Software Developers Network, Progress Sonic, ProVision, PS Select, SequeLink, Shadow, SOAPscope, SOAPStation, Sonic, Sonic ESB, SonicMQ, Sonic Orchestration Server, SonicSynergy, SpeedScript, Stylus Studio, Technical Empowerment, WebSpeed, Xcalia (and design), and Your Software, Our Technology–Experience the Connection are registered trademarks of Progress Software Corporation or one of its affiliates or subsidiaries in the U.S. and/or other countries. AccelEvent, Apama Dashboard Studio, Apama Event Manager, Apama Event Modeler, Apama Event Store, Apama Risk Firewall, AppsAlive, AppServer, ASPen, ASP-in-a-Box, BusinessEdge, Business Making Progress, Cache-Forward, DataDirect Spy, DataDirect SupportLink, Fuse, Fuse Mediation Router, Fuse Message Broker, Fuse Services Framework, Future Proof, GVAC, High Performance Integration, ObjectStore Inspector, ObjectStore Performance Expert, OpenAccess, Orbacus, Pantero, POSSE, ProDataSet, Progress ESP Event Manager, Progress ESP Event Modeler, Progress Event Engine, Progress RFID, Progress Software Business Making Progress, PSE Pro, SectorAlliance, SeeThinkAct, Shadow z/Services, Shadow z/Direct, Shadow z/Events, Shadow z/Presentation, Shadow Studio, SmartBrowser, SmartComponent, SmartDataBrowser, SmartDataObjects, SmartDataView, SmartDialog, SmartFolder, SmartFrame, SmartObjects, SmartPanel, SmartQuery, SmartViewer, SmartWindow, Sonic Business Integration Suite, Sonic Process Manager, Sonic Collaboration Server, Sonic Continuous Availability Architecture, Sonic Database Service, Sonic Workbench, Sonic XML Server, StormGlass, The Brains Behind BAM, WebClient, Who Makes Progress, and Your World. Your SOA. are trademarks or service marks of Progress Software Corporation or one of its affiliates or subsidiaries in the U.S. and other countries. Java and all Java-based marks are trademarks or registered trademarks of Sun Microsystems, Inc. in the U.S. and other countries. Any other trademarks contained herein are the property of their respective owners. Third party acknowledgements — See the “Third party acknowledgements” section on page Preface–9. December 2009 Last updated with new content: Release 10.2B Product Code: 4496; R10.2B For the latest documentation updates see OpenEdge Product Documentation on PSDN (http://communities.progress.com/ pcom/docs/DOC-16074).
Contents Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Preface–1 1. Developing with XML in OpenEdge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–1 About XML . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–2 Role of XML. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–2 Benefits of XML . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–3 Benefits of ABL XML development in OpenEdge . . . . . . . . . . . . . . . . . . 1–3 Benefits of SOA XML development in OpenEdge . . . . . . . . . . . . . . . . . . 1–4 Recommended resources for learning XML basics. . . . . . . . . . . . . . . . . 1–5 Developing XML-enabled ABL applications with DOM . . . . . . . . . . . . . . . . . . . . . 1–6 DOM advantages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–6 DOM limits. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–6 ABL support. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–7 More information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–7 Developing XML-enabled ABL applications with SAX . . . . . . . . . . . . . . . . . . . . . . 1–8 SAX advantages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–8 SAX limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–8 ABL support. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–9 More information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–9 Serializing ABL temp-tables and ProDataSets to and from XML . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–10 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–10 Use cases . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–11 ABL support. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–11 More information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–11 2. Reading and Writing XML with the Document Object Model (DOM) . . . . . . . . 2–1 XML terminology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–2 XML document structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–2 The ABL DOM interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–6 Prerequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–6 Representing an XML document in ABL DOM . . . . . . . . . . . . . . . . . . . . 2–7 Representing a DOM node in ABL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–8
Page 1: PROGRESS® PROGRESS® PROGRESS® 10
Page 5 and 6: Contents 5. Reading and Writing XML
Page 7 and 8: Preface This Preface contains the f
Page 9 and 10: Using this manual Preface OpenEdge
Page 11 and 12: | ... Examples of syntax descriptio
Page 13 and 14: In this example, ASSIGN requires ei
Page 15 and 16: Third party acknowledgements OpenEd
Page 17 and 18: Preface OpenEdge includes http pack
Page 19 and 20: Preface OpenEdge includes Sonic sof
Page 21 and 22: Developing with XML in OpenEdge 1 T
Page 23 and 24: About XML The W3C has also defined
Page 25 and 26: Recommended resources for learning
Page 27 and 28: ABL support ABL implements DOM with
Page 29 and 30: Developing XML-enabled ABL applicat
Page 31 and 32: Use cases Serializing ABL temp-tabl
Page 33 and 34: Reading and Writing XML with the Do
Page 35 and 36: DTDs and XML Schema documents XML t
Page 37 and 38: XML empty elements XML terminology
Page 39 and 40: The ABL DOM interface If you are an
Page 41 and 42: The ABL DOM interface Table 2-1 sho
Page 43 and 44: Setting node attributes and values
Page 45 and 46: Writing an XML file to a MEMPTR, a
Page 47 and 48: Loading an XML file from a MEMPTR R
Page 49 and 50: Reading XML input into ABL i-clone.
Page 51 and 52: Namespaces Namespaces When you have
Page 53 and 54:
Internationalization Internationali
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Validation Validation You can valid
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Method and attribute summary Table
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Reading XML Documents with the Simp
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SAX-reader object Understanding ABL
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Understanding ABL SAX The following
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Understanding ABL SAX Table 3-3: SA
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Creating a SAX-attributes object Un
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Understanding ABL SAX A DTD might b
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Table 3-7 describes the effect of n
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• A callback raises an error by u
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Developing ABL SAX applications Mos
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Developing ABL SAX applications i-s
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Developing ABL SAX applications Tra
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i-sax2.xml Developing ABL SAX appli
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ABL SAX and WebSpeed i-saxe3s.p (2
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ABL SAX and WebSpeed Note: If you m
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SAX API reference This reference co
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EndDocument Invoked when the XML pa
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SAX API reference If validation is
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memPointer SAX API reference Option
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UnparsedEntityDecl SAX API referenc
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Writing XML Documents with the Simp
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SAX-writer overview Table 4-1: SAX-
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Configuring a SAX-writer Configurin
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Examples This section shows example
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Envelope information example Exampl
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Concurrently reading and writing XM
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Examples sax-readwrite.p (2 of 2) /
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Examples sax-readwrite2.p (2 of 2)
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START-ELEMENT("name", "namespaceUri
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DECLARE-NAMESPACE("namespaceUri", "
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Handling errors Handling errors The
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Handling errors Table 4-3: Common e
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Handling errors Example of changing
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Reading and Writing XML Data from T
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Use cases Introduction The XML read
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SERIALIZE-NAME 3 (Readable and writ
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Methods and attributes • If NAMES
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Reading XML Schema into a temp-tabl
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ead-mode Reading XML into a temp-ta
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verify-schema-mode Reading XML into
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Reading XML into a temp-table, temp
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Here is a snippet of the XML file:
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The following is the output for thi
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Writing XML Schema from a temp-tabl
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omit-initial-values Writing XML Sch
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longchar Writing XML from a temp-ta
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Writing XML from a temp-table, temp
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Writing XML from a temp-table, temp
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Minimizing XML document size Minimi
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Minimizing XML document size A non-
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Sample ProDataSet to XML round-trip
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Sample ProDataSet to XML round-trip
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Using XML Schema In the following e
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Using XML Schema Using READ-XML( )
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Representing temp-tables in XML Sch
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Representing indexes in XML Schema
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XML Schema and ABL Data Type Mappin
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Default mappings from other XML Sch
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ABL to IANA Code Page Mappings This
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ABL to IANA code page mappings Tabl
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Command and Utility Reference This
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-fieldtypemapping { field-mapping-f
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Index A ABL benefits of XML develop
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NODE-VALUE-TO-LONGCHAR method 2-26
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